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What tool was used to measure the eruption of mount st helens?
Scientists used various tools to measure the eruption of Mount St. Helens in 1980, including seismometers to monitor earthquakes, tiltmeters to detect ground deformation, and gas analyzers to study volcanic gases. They also used radar to track changes in the shape of the volcano during the eruption.
What was Mount St Helens like before eruption?
Mount St. Helens was an active composite volcano in the Cascade Range of Washington state. Before the 1980 eruption, it had a symmetrical shape with a conical summit and lush forests covering its slopes. It was known as a popular recreational area before the catastrophic eruption.
After it erupted on May 18 how much did the mountain change in size?
The eruption caused the top 1,300 feet (400 meters) of Mount St. Helens to be removed by the lateral blast and resulting landslide. This drastically altered the shape and height of the mountain, creating a large crater at the summit.
What shape is mount st helens?
Oh, dude, Mount St. Helens is a volcano, so it's like a big ol' mountain with a crater at the top. So, I guess you could say it's kind of like a cone shape? But, like, don't go trying to put it in a geometry textbook or anything.
What is Mt St Helen's age?
Mount St. Helens is approximately 40,000 years old, though its most recent eruption occurred on May 18, 1980. The volcano has a complex history of eruptions, with significant activity in the past 2,500 years. Its current shape and structure were largely formed by the catastrophic eruption in 1980, which reshaped the landscape.
What tool was used to measure the eruption of mount st helens?
Scientists used various tools to measure the eruption of Mount St. Helens in 1980, including seismometers to monitor earthquakes, tiltmeters to detect ground deformation, and gas analyzers to study volcanic gases. They also used radar to track changes in the shape of the volcano during the eruption.
What was Mount St Helens like before eruption?
Mount St. Helens was an active composite volcano in the Cascade Range of Washington state. Before the 1980 eruption, it had a symmetrical shape with a conical summit and lush forests covering its slopes. It was known as a popular recreational area before the catastrophic eruption.
After it erupted on May 18 how much did the mountain change in size?
The eruption caused the top 1,300 feet (400 meters) of Mount St. Helens to be removed by the lateral blast and resulting landslide. This drastically altered the shape and height of the mountain, creating a large crater at the summit.
What is the shape of MT Saint Helens?
A tragile without a point.
What shape is mount st helens?
Oh, dude, Mount St. Helens is a volcano, so it's like a big ol' mountain with a crater at the top. So, I guess you could say it's kind of like a cone shape? But, like, don't go trying to put it in a geometry textbook or anything.
What is Mt St Helen's age?
Mount St. Helens is approximately 40,000 years old, though its most recent eruption occurred on May 18, 1980. The volcano has a complex history of eruptions, with significant activity in the past 2,500 years. Its current shape and structure were largely formed by the catastrophic eruption in 1980, which reshaped the landscape.
How big is mt st helens in square metres?
Mount St. Helens has an elevation of 2,550 meters (8,366 feet) and a surface area of approximately 1,400 square kilometers, which converts to about 1.4 billion square meters. The mountain's size can vary based on volcanic activity and erosion over time. Its prominent crater, formed during the 1980 eruption, has also changed the mountain's shape and dimensions.
What was the width of Mount Vesuvius before eruption in79ad?
Before the eruption in 79 AD, Mount Vesuvius had an estimated width of about 12 kilometers (approximately 7.5 miles) at its base. The mountain's size and shape have changed due to subsequent eruptions and geological activity. The eruption in 79 AD primarily destroyed the cities of Pompeii and Herculaneum, but it also altered the landscape of the volcano itself.
Are there signs for the eruption of volcanoes?
Before a volcano erupts, there is normally an increase in earthquakes, you might see some volcanic ash come out, you might see an increase in gas or steam around the volcano, and you might see a change in height or shape of the land around the volcano.
What is a cone shaped mountain on the west coast of the north land?
A cone-shaped mountain on the west coast of North America could be Mount St. Helens in Washington state. Its distinctive shape comes from its volcanic history and the eruption in 1980 which caused the top of the mountain to collapse, forming a new crater.
What are two examples of composite volcanoes?
Two examples of composite volcanoes are Mount St. Helens in the United States, which had a major eruption in 1980, and Mount Fuji in Japan, which is an iconic stratovolcano known for its symmetrical cone shape.
What happens inside a mountain before eruption?
Each volcano is different, but some show changes in temperature, the crater may vent more or change shape, earthquakes often happen, cracks form, the area around it may have more steam vents, new mud pots, or gas vents. Some just blow with no warning.
